Base | Representation |
---|---|
bin | 111001010100… |
… | …0101100100100 |
3 | 2002112202101000 |
4 | 1302220230210 |
5 | 30143113413 |
6 | 2552033300 |
7 | 513300363 |
oct | 162505444 |
9 | 62482330 |
10 | 30051108 |
11 | 15a6592a |
12 | a092830 |
13 | 62c2329 |
14 | 3dc37da |
15 | 2989073 |
hex | 1ca8b24 |
30051108 has 48 divisors (see below), whose sum is σ = 79092160. Its totient is φ = 9865152.
The previous prime is 30051097. The next prime is 30051113. The reversal of 30051108 is 80115003.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5160 + ... + 9312.
Almost surely, 230051108 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30051108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39546080).
30051108 is an abundant number, since it is smaller than the sum of its proper divisors (49041052).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30051108 is a wasteful number, since it uses less digits than its factorization.
30051108 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4233 (or 4225 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 18.
The square root of 30051108 is about 5481.8890904505. The cubic root of 30051108 is about 310.8995998670.
The spelling of 30051108 in words is "thirty million, fifty-one thousand, one hundred eight".
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